Mirepoix France
Monday 22 June 2009 by perbosc
Mirepoix | France |
---|---|
Ecole | Primaire |
Longitude | 00°40’ E |
Latitude | 43°45’ N |
Angle | + 21°48’ = +21,80° |
gnomon 1m
ombre 40cm
angle 21,80°=21°48’
Calculations with Caseros
difference of latitude 43°45’ - (-34°36’) = 78°21’ = 78.35°
distance between the parallels : 78.35° x 111.111 km = 8706 km
difference of the angle of the Sun : 21,8° - (-58,0°) = 79,8°
circumference of the Earth : 8706 x 360° / 79,8 = 39 275 km
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